建立了回火硬度与回火温度关系的回火效应模型。
The tempering behavior model of relationship between tempering hardness and temperature was set up.
产品成形精确，回火硬度一致，从而可靠地保证了产品的品质。
The products form accurately, and each stiffness is in according with the others so that assure the quantity of the products reliably.
研究了淬硬钢回火硬度与回火温度的关系，建立了回火硬度与回火温度关系的回火效应模型。
Having studied the relationship between tempered hardness and tempering temperature for hardened carbon steels, a tempering behaviour model is set up between hardness and temperature.
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